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A low-pass filter with a cut off frequency of 30 Hz is cascaded with a high pass filter with a cut - off frequency

A low-pass filter with a cut off frequency of 30 Hz is cascaded with a high pass filter with a cut - off frequency 20 Hz. The resultant system of filters will function as (a) An all-pass filter (c) an band stop (band - reject) filter (b) an all-stop filter (d) a band-pass filter

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